English: Cornish beam engine, Prestongrange The preserved Cornish beam pump. This is the bottom chamber with the working gear in front of the 90" cylinder. This was an interesting engine as it had a barometric condenser down the shaft. This has gone without trace. The negative is very dark but the equalise function in photoshop has worked a treat (better on monochrome than colour).
This image was taken from the Geograph GB & Eire project collection. See this photograph's page on the Geograph website for the photographer's contact details. The copyright on this image is owned by Chris Allen, and is licensed for reuse under the Creative Commons Attribution Share-Alike 2.0 license.
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== {{int:filedesc}} == {{Information |description={{en|1=Cornish beam engine, Prestongrange The preserved Cornish beam pump. This is the bottom chamber with the working gear in front of the 90" cylinder. This was an interesting engine as it had a barometr
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